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ear (EN)
noun

noun “ear”

singular ear, plural ears
  1. the visible part of the body on the side of the head used for hearing
    She tucked a flower behind her ear, smiling at the mirror.
  2. the whole system inside the head that lets you hear
    The ear consists of the eardrum, incus, cochlea, and other parts.
  3. (followed by "for") the ability to skillfully appreciate the sounds of
    She has an excellent ear for languages, quickly picking up accents and nuances.
  4. the top part of a cereal plant like corn that contains the seeds
    The farmer showed us how to identify ripe ears of wheat in the vast field.